A child with few social interactions failing to express feelings illustrates the impact of social development on which developmental domain?

The situation described, where a child has limited social interactions and struggles to express feelings, primarily reflects the impact of emotional development. Emotional development encompasses the ability to recognize, understand, and manage emotions, as well as the ability to develop empathy and form relationships with others. When a child is not engaging socially or expressing their feelings, it indicates potential challenges in their emotional growth, which is crucial for building connections and effectively navigating social situations.

In contrast, cognitive development relates more to the processes involved in learning, reasoning, and problem-solving, rather than how emotions and social skills are developed. Physical development refers to the growth and changes in a child's body and motor skills, which do not directly address social interactions or emotional expression. Language development focuses specifically on the acquisition of language skills, including listening and speaking, but does not inherently capture the emotional aspects of interaction. Therefore, the child's limited social engagement and emotional expression is most closely associated with emotional development.